Lock On Inactive Thread Won't Go Away
Feb 29, 2008
Hello,
I am having a problem with the SQL Server 2005 database of our ERP system. We have a scheduled batch that gets stuck because of a lock on a table. The lock remains overnight and halts all other processes (it seems most of them are waiting for this lock to get solved)
I know which table the lock is on and if I kill the lock manually, the batch continues and finishes without a problem
my question is: can I change this behaviour somewhere?
The piece of code that causes this lock is protected, but in a debug log I was able to see that it happens during following actions:
first a select is performed to fetch a certain record in the file that gets locked
next an update is performed with following syntax:
update ... set.... where current of 'pointername'
this update is waiting for a lock to be released before the batch continues.
My guess is that somehow the pointer that is set with the select statements, locks the row and that's why the update cannot be performed.
The strange part is that this lock does NOT occur everytime that this table needs to be updated. And that's why I am stuck and asking help of the real database people :)
If someone can give me a hint on a setup,property, or just a pointer to where I can find more info on the 'why'-part of the lock, I would be very grateful
database is SQL Server 2005 SP1 on win2k3
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Feb 2, 2007
I simply made my script task (or any other task) fail
In my package error handler i have a Exec SQL task - for Stored Proc
SP statement is set in following expression (works fine in design time):
"EXEC [dbo].[us_sp_Insert_STG_FEED_EVENT_LOG] @FEED_ID= " + (DT_WSTR,10) @[User::FEED_ID] + ", @FEED_EVENT_LOG_TYPE_ID = 3, @STARTED_ON = '"+(DT_WSTR,30)@[System::StartTime] +"', @ENDED_ON = NULL, @message = 'Package failed. ErrorCode: "+(DT_WSTR,10)@[System::ErrorCode]+" ErrorMsg: "+@[System::ErrorDescription]+"', @FILES_PROCESSED = '" + @[User::t_ProcessedFiles] + "', @PKG_EXECUTION_ID = '" + @[System::ExecutionInstanceGUID] + "'"
From progress:
Error: The Script returned a failure result.
Task SCR REIL Data failed
OnError - Task SQL Insert Error Msg
Error: A deadlock was detected while trying to lock variable "System::ErrorCode, System::ErrorDescription, System::ExecutionInstanceGUID, System::StartTime, User::FEED_ID, User::t_ProcessedFiles" for read access. A lock could not be acquired after 16 attempts and timed out.
Error: The expression ""EXEC [dbo].[us_sp_Insert_STG_FEED_EVENT_LOG] @FEED_ID= " + (DT_WSTR,10) @[User::FEED_ID] + ", @FEED_EVENT_LOG_TYPE_ID = 3, @STARTED_ON = '"+(DT_WSTR,30)@[System::StartTime] +"', @ENDED_ON = NULL, @message = 'Package failed. ErrorCode: "+(DT_WSTR,10)@[System::ErrorCode]+" ErrorMsg: "+@[System::ErrorDescription]+"', @FILES_PROCESSED = '" + @[User::t_ProcessedFiles] + "', @PKG_EXECUTION_ID = '" + @[System::ExecutionInstanceGUID] + "'"" on property "SqlStatementSource" cannot be evaluated. Modify the expression to be valid.
Warning: The Execution method succeeded, but the number of errors raised (4) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
And how did I get 4 errors? - I only set my script task result to failure
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Apr 7, 2004
Hi
We are facing an acute situation in our web-application. Technology is ASP.NEt/VB.NET, SQL Server 2000.
Consider a scenario in which User 1 is clicking on a button which calls a SQL stored procedure. This procedure selects Group A of records of Database Page1.
At the same time if User 2 also clicks the same button which calls same SQL stored procedure. This procedure selects Group B of records of Database Page1.
So, its the same Page1 but different sets of records. At this moment, both the calls have shared locked on the Page1 inside the procedure.
Now, in call 1, inside the procedure after selecting Group A of records, the next statement is and update to those records. As soon as update statement executes, SQL Server throws a deadlock exception as follows :
Transaction (Process ID 78) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction
We are able to understand why its happening. Its because, Group A and Group B of records are on the same Page1. But both the users have shared lock on the Page1. So, no one gets the exclusive lock in records for update, even though, the records are different.
How can I resolve this issue? How can I get lock on wanted rows instead of entire page?
Please advice. Thanks a bunch.
Pankaj
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Apr 24, 2008
We have 350 tables in our database, I want to drop/delete those table(s) that are inactive. Is there a way to check which tables are not active, so I could drop/delete that table(s).
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Oct 10, 2005
Here are two tables. How do i create an SP for INACTIVE delete and how do i use the UNIQUE constraint to avoid duplication of the NAME columns(logingroup_name and login_name) in these tables?
--Creating Table ref_LoginGroup:-
create table ref_LoginGroup
(
logingroupid tinyint identity(1,1) constraint pklogingroupid primary key clustered,
logingroup_name varchar(25) constraint chkname check(logingroup_name NOT LIKE '% %'),
changed_login_id int,
is_active bit,
lastupdr smalldatetime,
)
--Creating Unique nonclustered Index for ref_LoginGroup:-
create unique nonclustered index idxlgn on ref_LoginGroup(logingroup_name)
--Creating Table ref_Login:-
create table ref_Login
(
login_id int identity(1,1) constraint pkloginid primary key clustered,
login_name varchar(50) constraint chklogname check(login_name NOT LIKE '% %'),
firstname varchar(30),
lastname varchar(30),
logingroupid tinyint constraint fklogingroupid foreign key references ref_LoginGroup(logingroupid),
changed_login_id int,
is_active bit,
lastupdr smalldatetime
)
--Creating Unique nonclustered Index for ref_Login:-
create unique nonclustered index idxl on ref_Login(login_name)
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May 16, 2007
My db is working in simple recovery mode, when I run "dbcc sqlperf(logspace)", I find the log file is very large and the log usage percentage is 98%. In most case, when I run "backup log db_name with no_log", the log usage percentage will be reduced. but in fact it is no change. I make sure there are no active logs in it. Who can tell me the reason ? thx.
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Jul 23, 2003
I have a snapshot & a transcation publication on Server A, and a pull subscription for each on Server B.
The distribution agent on ServerA has the error:
"The subscription(s) have been marked inactive and must be reinitialized. NoSync subscriptions will need to be dropped and recreated."
Any idea what caused this ..... Everything was fine for a week or so.
Does anyone know of any good books or publications on Replication ? I've got some DBA books that cover the basics, but I'd like something that helps explain the oddball situations.
SQL 2K
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Jun 5, 2007
I am trying to find any stored procedures or tables that have not been used in the last 2 months or so. Can anyone recommend me a good way to do this?
SQL 2005 Enterprise Edition SP 2
Thanks in advance.
Kay
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Sep 5, 2007
Hi ,
I have code in SQL Server 2000 (DTS). what is same code to inactive execution status in SSIS
If returnValue <> "" Then
DTSPackage.Steps("DTSStep_DTSDataPumpTask_2").ExecutionStatus = DTSStepExecStat_Inactive
Else
DTSPackage.Steps("DTSStep_DTSDataPumpTask_3").ExecutionStatus = DTSStepExecStat_Inactive
End If
Thanks,
Raja
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Jul 17, 2006
hi all,
i have a snapshot replication running on multiple publisher singel subscriber running on sql2k. i'm frequently encountering these error.
the subscription has been marked inactive and must be reinitialized.
no synch
i've set the subcription to never expire in the publications property tab.
thanks
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Sep 21, 2007
Hi
I am working at a site that has no dedicated DBA, and our Sql Server 2000 environment has recently been playing up. There are several databases on the Production server that should be inactive (for applications no longer used).
What is the best way for me to see if there has been any recent activity on these databases (short of taking them offline and waiting for screams). Please keep in mind that I am a Sql Server novice.
Cheers
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May 22, 2006
Hi,
I have set of 2 DTS packages, one of which calls the other by forming a command-line (dtexec) using a Execute Process task.
From the parent package-> Execute Process Task->
dtsexec /F etc... /<pkg variable> = "servername"
Each of the parent and the called package have a variable: "User::DWServerSQLInstance" which is mapped to the SQL server connection manager server name property using an expression. The outer package has the above variable and so does the inner called package (which gets assigned through the command line from the outerpackage call to inner)
I "sometimes" get the following error:
OnError,I4,TESTDOMAdministrator,ACDWAggregation,{A1F8E43F-15F1-4685-8C18-6866AB31E62B},{77B2F3C7-6756-46EB-8C01-D880598FB4B3},5/22/2006 5:10:28 PM,5/22/2006 5:10:28 PM,-1073659822,0x,The variable "User::DWServerSQLInstance" is already on the read list. A variable may only be added once to either the read lock list or the write lock list.
Help would be appreciated!
I have seen other posts on this but, not able to relate the solution to my scenario.
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Aug 15, 2000
Does anyone know if there is a 3rd party tool available to disconnect user logins after being inactive for a period of time? Is this something that can be custom written?
Thanks for any assistance, Jim
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Aug 28, 2006
hi,i've just restored my db and when i try to login with a user (even ifthe user is "sa"), an error occours.The error is "User sa is currently inactive"How can i solve this problem?Thanks,Massimo
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Oct 3, 2007
I' d like to list all inactive clients.Inactive client is a client who hasn't had invoice for 2 months.I use INNER JOIN to join invoice view (vwDok4FSFZGrid) and clientsaddresses table (adr_Nazwa). I skip empty values (adr_Ewid.adr_Nazwa !=''). I select only invoices with date after the interesting date.So now I can list all active clients but i can't negate this resultset to get all inactive clients:SELECT dok_PlatnikId, adr_Nazwa,adr_NazwaPelna,adr_Adres,adr_Miejscowosc,adr_NIP, dok_DataWystFROM vwDok4FSFZGridINNER JOIN adr__EwidON vwDok4FSFZGrid.dok_PlatnikId=adr__Ewid.adr_IdObiek tuWHEREadr__Ewid.adr_Nazwa !=''AND(dok_DataWyst >= convert(datetime,'10/03/2007'))GROUP BY dok_PlatnikId, adr_Nazwa,adr_NazwaPelna,adr_Adres,adr_Miejscowosc,adr_NIP, dok_DataWystIs there any way to negate this set?1. Sorry for my English2. I would appreciate any help:)
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May 10, 2006
Hi All,
I have seen a few other people have this error.
Package works fine when run from BIDS, DTExec, dtexecui. When I schedule it, It get these random errors. (See below)
The main culprit is a variable called "RecordsetFileDIR" which is set using an expression. (@[User::_ROOT] + "RecordSets\")
A number of other variables use this as part of their expression and as they all fail, pretty much everything dies.
I have installed SP1 (Not Beta) on server. Package uses config files to set the value of _ROOT.
The error does not always seem to be with this particular variable though. Always a variable that uses an expression but errors are random. Also, It will run 3 out of 10 times without a problem. I am the only person on the server at the time.
Any ideas?
Cheers,
Crispin
Error log:
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073659822,0x,The variable "User::RecordsetFileDIR" is already on the read list. A variable may only be added once to either the read lock list or the write lock list.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073639420,0x,The expression for variable "rsHeaderFile" failed evaluation. There was an error in the expression.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
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Mar 15, 2007
Hi,
I€™m hoping someone might be able to help me.
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The Reports when viewed from Reporting Services€™ Report Manager or from within the ASP.NET application only display the first page of the report, displaying the total number of pages as 0. As well, most of the functions on the report toolbar appear to be disabled. This occurs for any report viewed, even sample reports such as the Adventure Works Samples.
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May 23, 2001
Hi,
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Dec 19, 2005
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Error1.
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Error2.
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Feb 6, 2008
Hi experts
I have a doubt!
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Jan 30, 2007
Hello,
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....
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Apr 13, 2007
Hi all,
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I just created this with "THREAD". I hope someone who has experiences with thread can give me some advice about my design. This is my first time.
static object Locked = new object();
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Thank you.
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